A drill and extractor are in one tool. (Drill up to Grade 2 to 8, Class 5.6 to 10.9 and stainless steel bolts). Designed to be used in a variable speed, reversible hand drill set for counter clockwise operation. Features self-centering tips. (USA) Extracts #5/6 (3mm), #8 (4mm), #10/12 (5mm) & 1/4" (6mm) bolts. Non-Stocking Item. May Require Additional Time To Ship.